Alert archive / Wyoming / High Wind Warnings in 2008

High Wind Warning 13, NWS Riverton, WY

March 27, 2008Fremont County, Wyoming

NWS Riverton, WY issued this high wind warning at Mar 27, 2008, 2:00 AM MDT for Fremont County, Wyoming. It took effect at Mar 27, 2008, 11:00 AM MDT. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued
Mar 27, 2008, 2:00 AM MDT (08:00 UTC)
In effect from
Mar 27, 2008, 11:00 AM MDT
Expired
Mar 27, 2008, 1:55 PM MDT
In force
3 hr
Issued by
NWS Riverton, WY

County Fremont County, WY

The radar

The Riverton/Lander radar (KRIW), 13 km from the middle of the area, began a volume at 07:59 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Riverton, WY (KRIW), launched 00:00Z, 8.0 hours before the alert went out and 19 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Riverton, WY at 00:00Z on 2008-03-27Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCL10008507005003002001001 km2 km3 km6 km9 km12 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Riverton, WY at 00:00Z on 2008-03-27The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -1 square meters per square second.1939587897117136Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
2401 m above ground
0-6 km bulk shear
102 kt
0-1 km storm-relative helicity
-1 m²/s²
0-3 km storm-relative helicity
163 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted, in the capitals the NWS used until 2016.

000 
WWUS75 KRIW 270800
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
200 AM MDT THU MAR 27 2008

...HIGH WIND IS EXPECTED ACROSS THE WIND RIVER BASIN TODAY...

.A STRONG COLD FRONT MOVING THROUGH WESTERN WYOMING THIS MORNING
WILL MOVE EAST OF THE CONTINENTAL DIVIDE DURING THE LATE MORNING.
AT THE SAME TIME...COLDER AIR ALOFT WILL MOVE OVER THE AREA
DESTABILIZING THE ATMOSPHERE. THIS COMBINATION IS EXPECTED TO
PRODUCE HIGH WIND IN THE WIND RIVER BASIN INCLUDING DUBOIS AND
CROWHEART SOUTHEASTWARD TO RIVERTON.

WYZ016-017-272030-
/O.NEW.KRIW.HW.W.0013.080327T1700Z-080327T2300Z/
UPPER WIND RIVER BASIN-WIND RIVER BASIN-
INCLUDING THE CITIES OF...DUBOIS...RIVERTON...SHOSHONI
200 AM MDT THU MAR 27 2008

...HIGH WIND WARNING IN EFFECT FROM 11 AM THIS MORNING TO 5 PM
MDT THIS AFTERNOON...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS ISSUED A HIGH WIND
WARNING...WHICH IS IN EFFECT FROM 11 AM THIS MORNING TO 5 PM MDT
THIS AFTERNOON. 

SUSTAINED WEST TO NORTHWEST WIND FROM 35 TO 45 MPH WITH GUSTS TO
55 MPH ARE EXPECTED TO BEGIN LATE THIS MORNING AND CONTINUE
THROUGH THE AFTERNOON. AREAS SUSCEPTIBLE TO THE HIGH WIND INCLUDE
U.S. HIGHWAY 26 BETWEEN RIVERTON AND DUBOIS AND U.S. HIGHWAY 287
FROM NEAR FORT WASHAKIE NORTH TO THE HIGHWAY 26 JUNCTION.

REMEMBER...A HIGH WIND WARNING MEANS HAZARDOUS WEATHER CONDITIONS
ARE IMMINENT OR HIGHLY LIKELY.

$$
2 follow-up statements
000 
WWUS75 KRIW 271718
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
1118 AM MDT THU MAR 27 2008

...HIGH WIND IS EXPECTED ACROSS THE WIND RIVER BASIN TODAY...

.A STRONG COLD FRONT WILL SWEEP ACROSS THE AREA TODAY AND COMBINE
WITH STRONG WINDS ABOVE THE SURFACE TO PRODUCE HIGH WINDS BETWEEN
DUBOIS...CROWHEART AND RIVERTON THIS AFTERNOON.

WYZ016-017-272300-
/O.CON.KRIW.HW.W.0013.000000T0000Z-080327T2300Z/
UPPER WIND RIVER BASIN-WIND RIVER BASIN-
INCLUDING THE CITIES OF...DUBOIS...RIVERTON...SHOSHONI
1118 AM MDT THU MAR 27 2008

...HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MDT THIS
AFTERNOON...

A HIGH WIND WARNING REMAINS IN EFFECT UNTIL 5 PM MDT THIS
AFTERNOON. 

SUSTAINED WEST TO NORTHWEST WIND FROM 35 TO 45 MPH WITH GUSTS TO
55 MPH ARE EXPECTED THIS AFTERNOON. AREAS SUSCEPTIBLE TO THE HIGH
WIND INCLUDE U.S. HIGHWAY 26 BETWEEN RIVERTON AND DUBOIS AND U.S.
HIGHWAY 287 FROM NEAR FORT WASHAKIE NORTH TO THE HIGHWAY 26
JUNCTION. AS 11 AM...WEST WINDS WERE ALREADY BLOWING 25 TO 35 MPH
ACROSS THE AREA WITH GUSTS NEARING 50 MPH.

REMEMBER...A HIGH WIND WARNING MEANS HAZARDOUS WEATHER CONDITIONS
ARE IMMINENT OR HIGHLY LIKELY.

$$

TEAM RIVERTON
000 
WWUS75 KRIW 271955
NPWRIW

URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE RIVERTON WY
155 PM MDT THU MAR 27 2008

WYZ016-017-272100-
/O.CAN.KRIW.HW.W.0013.000000T0000Z-080327T2300Z/
UPPER WIND RIVER BASIN-WIND RIVER BASIN-
INCLUDING THE CITIES OF...DUBOIS...RIVERTON...SHOSHONI
155 PM MDT THU MAR 27 2008

...HIGH WIND WARNING IS CANCELLED...

THE NATIONAL WEATHER SERVICE IN RIVERTON HAS CANCELLED THE HIGH
WIND WARNING. 

STRONG WEST WINDS ARE STILL EXPECTED THE REMAINDER OF THE AFTERNOON
BUT WIDESPREAD HIGH WINDS ARE NO LONGER EXPECTED. WEST WINDS OF 30
TO 35 MPH WILL CONTINUE WITH PEAK GUSTS OF 45 TO 55 MPH BEFORE
DIMINISHING AFTER 6 PM.

$$

TEAM RIVERTON

Nearby

High Wind Warnings in Wyoming, 2008Every high wind warning in 2008

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.